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The problem with almost every AJAX tutorial you find on the net is that the examples they give are procedural. That is... It works until you need to make more than one AJAX call. If you try to use one function to do two calls, it breaks because the tutorial functions are geared to do one request at a time. To do multiple requests you'll end up copying and pasting the same AJAX routine over and over and over, renaming it each time. And with many versions of the AJAX tutorials, there are MULTIPLE functions that must be copied and renamed resulting in an absolute spaghetti code horror show.

Fortunately Javascript supports objects and that makes writing a robust AJAX routine extremely easy.

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